Projects: Update to layer LCG_101_ATLAS_12
Update all projects to the layer LCG_101_ATLAS_12 (https://sft.its.cern.ch/jira/browse/SPI-2077).
This layer contains the following updates or new packages:
- libm_aocl, AMD Optimizing CPU Libraries (AOCL) 3.1.0
- heaptrack 1.3.0
- prophecy 3.0
- collier 1.2.5
- hto4l 2.02
- sherpa 2.2.12.f290b9
- madgraph5amc 3.3.1.atlas3
- LHAPDF 6.4.0
- crmc-2.0.1p4